18682336

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:587

約数の個数: 48

約数和(自身を含む): 39070080

約数和(自身を除く): 20387744

約数列:

[1, 2, 4, 8, 16, 31, 32, 37, 62, 74, 124, 148, 248, 296, 496, 509, 592, 992, 1018, 1147, 1184, 2036, 2294, 4072, 4588, 8144, 9176, 15779, 16288, 18352, 18833, 31558, 36704, 37666, 63116, 75332, 126232, 150664, 252464, 301328, 504928, 583823, 602656, 1167646, 2335292, 4670584, 9341168, 18682336]

約数ペア:

[(1, 18682336), (2, 9341168), (4, 4670584), (8, 2335292), (16, 1167646), (31, 602656), (32, 583823), (37, 504928), (62, 301328), (74, 252464), (124, 150664), (148, 126232), (248, 75332), (296, 63116), (496, 37666), (509, 36704), (592, 31558), (992, 18833), (1018, 18352), (1147, 16288), (1184, 15779), (2036, 9176), (2294, 8144), (4072, 4588)]